—Where is Jack?I can’t find him anywhere.
—He his homework upstairs.
A. might have done
B. must have done
C. must be doing
D. must do
—Where is Jack?I can’t find him anywhere.—He his homework upstairs.A. might have doneB.
答案:2 悬赏:80 手机版
解决时间 2021-01-03 19:24
- 提问者网友：聂風
- 2021-01-03 10:25
最佳答案
- 五星知识达人网友：佘樂
- 2021-01-03 10:43
A. might have doneB. must have done(答案→)C. must be doingD. must do解析：must be doing是对目前正在发生的事进行推测。
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- 1楼网友：慢性怪人
- 2021-01-03 11:13
对的，就是这个意思
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